<section class="vbox">
    <header class="bg-white-only header header-md navbar navbar-fixed-top-xs">
        <?php echo \Yii::$app->view->renderFile("@app/views/_include/nav.php");?>

    </header>
    <section>
        <section class="hbox stretch">
            <!-- .aside -->
            <aside class="bg-black dk aside" id="nav">

                <?php echo \Yii::$app->view->renderFile("@app/views/_include/left.php");?>

            </aside>
            <!-- /.aside -->
            <section id="content">
                <iframe  id="mainFrame" name="mainFrame" height="100%" width="100%" frameborder="0" scrolling="yes"
                         src="<?php echo \Yii::$app->urlManager->createUrl("user/profile");?>">
                </iframe>

            </section>
        </section>
    </section>
</section>

